People have been building tunnels for thousands of years. Today, engineers create tunnels beneath cities, through mountains, and even under the ocean. Find out more about how these amazing structures are designed, built, and improved in Tunnels, part of the Engineering Marvels series.
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ISBN | 9781510537408 |
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Sprache | eng |
Cover | Fester Einband |
Verlag | Lightbox Learning |
Jahr | 20180801 |
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